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VK Infinite Scroll Cleaner

Clear old part of posts after loading new one. Helps with memory problems on low spec PCs.

  1. // ==UserScript==
  2. // @name           VK Infinite Scroll Cleaner
  3. // @name:ru        VK Infinite Scroll Cleaner
  4. // @namespace      http://vk.com
  5. // @version        0.1.2b
  6. // @description    Clear old part of posts after loading new one. Helps with memory problems on low spec PCs.
  7. // @description:ru Удаляет старые посты при загрузке новых. Помогает с потреблением ОЗУ на слабых ПК.
  8. // @author         7KiLL
  9. // @match          *://vk.com/*
  10. // ==/UserScript==
  11.  
  12. (function() {
  13.     'use strict';
  14.  
  15.     var wall;  //Posts selectors
  16.     var count; //Number of posts
  17.     //Number of posts is higher than actual by 2. Simple thing, but improves UX as well.
  18.     //Favorites - 19/page
  19.     //Feed - 11/page
  20.     if(/fave/i.test(location.href)) {
  21.         console.log('Fav detected');
  22.        count = 21;
  23.         wall = '.wall_posts.all ._post';
  24.     }
  25.     if(/feed/i.test(location.href)) {
  26.         console.log('feed detected');
  27.         count = 13;
  28.         wall = '#feed_rows .feed_row';
  29.     }
  30.     setInterval(function(){
  31.         var current = document.querySelectorAll(wall).length;
  32.         if(current>count)
  33.             clearFeed();
  34.     }, 100);
  35.  
  36.     function clearFeed() {
  37.         var len = document.querySelectorAll(wall).length;
  38.         while(len > count) {
  39.             document.querySelectorAll(wall)[0].remove();
  40.             len = document.querySelectorAll(wall).length;
  41.         }
  42.         window.scrollTo(0, 350); //Average height of post. Skips first post of previous page that you have seen and probably
  43.                                  //focus you on last one that you haven't seen fully.
  44.     }
  45. })();